1. Department of Molecular and Integrative Physiology (L.Y., O.D.S.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
2. Department of Obstetrics and Gynecology (A.I.A.), Baylor College of Medicine, Houston, Texas 77030
3. Department of Veterinary Biosciences (P.S.C., D.D.M.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
4. College of Medicine (O.D.S.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61801